What is the indicator status?

Wetland indicator status denotes the probability of individual species of vascular plants occurring in freshwater, brackish and saltwater wetlands in the United States. The wetland indicator status of a species is based upon the individual species occurrence in wetlands in 13 separate regions within the United States.

What are wetland indicators?

Three categories of wetland indicators — vegetation, soil, and hydrology — are explained briefly in the following sections. Vegetation indicators. Wetland delineators identify wetland vegeta-

What is a facultative wetland?

FACW (Facultative Wetland Plants)—Usually occur in wetlands, but may occur in non-wetlands. FACU (Facultative Upland Plants)—Usually occur in non-wetlands, but may occur in wetlands. • UPL (Upland Plants)—Almost never occur in wetlands.

What is an obligate plant?

As an adjective, obligate means “by necessity” (antonym facultative) and is used mainly in biology in phrases such as: Obligate photoperiodic plant, a plant that requires sufficiently long or short nights before it initiates flowering, germination or similarly functions.

What is the definition of a wetland indicator?

Wetland indicator status denotes the probability of individual species of vascular plants occurring in freshwater, brackish and saltwater wetlands in the United States.

Which is the National List of wetland species?

For over two decades, the National List of Plant Species that Occur in Wet- lands (Reed 1988) (hereafter called List 88) has served as the standard reference for plant species’ wetland indicator status ratings in the United States.

What are the codes for the National Wetlands Inventory?

The wetland classification codes are a series of letter and number codes that have been developed to adapt the national wetland classification system to map form.

What are the alpha numeric codes for wetlands?

These alpha-numeric codes correspond to the classification nomenclature that best describes a particular wetland habitat. For example, PFO1A = Palustrine (P), Forested (FO), Broad-leaved Deciduous (1), Temporarily Flooded (A).